Meanwhile, cook pasta according to package directions. In a large saucepan, melt butter over medium heat. Stir in the flour, garlic and pepper flakes until blended. Whisk in broth until blended. Bring to a boil over medium-high heat; cook and stir for 2 minutes or until thickened and bubbly.

Reduce heat. Stir in the cheese, sour cream, lemon juice and peel; heat through. Drain pasta and place in a large bowl. Add cheese sauce and asparagus mixture; toss to coat. Sprinkle with pistachios, basil and additional cheese.Yield: 7 servings.

Originally published as Lemony Vegetables and Pasta in Country Woman
March/April 2007, p27